Sentences with phrase «example volcanic activity»

There are specific physical candidates that may explain the difference, for example volcanic activity, proper representation of ocean temperatures, and variability in ocean processes.

Not exact matches

Unlike microcrystals, for example, the tubules have complex forms — often observed abruptly changing direction to avoid intersecting each other, in a manner consistent with tunneling microbial behavior — and contain organic molecules associated with biological activity; the Ries tubules are also similar to fossil traces of microbes found in volcanic glass.
For example, I didn't see much green taking hold within the area of Olympus Mons and the surrounding volcanoes, both due to the volcanic activity and the proximity to the equator,» Gill says.
The waters around the island of Ischia in Italy, for example, have been acidified for a long time because there is the Vesuvio volcano nearby; there are a lot of volcanic activities and CO2 sources, that is there is CO2 from the bottom to the surface, which is acidifying the water.
A good example of this is obsidian — a beautiful, naturally occurring compound that is formed during volcanic activity.
Visitors interested in the geology of the area don't have to look too hard to find excellent and diverse examples of volcanic activity.
He gave as an example the «energy sent by the sun and volcanic activity that spits out lava and enormous quantities of substances in the atmosphere.»
For example, reconstructions suggest decreased solar activity and increased volcanic activity in the 17th century as compared to current conditions.
So, for example, if we go through a period of relative higher solar output, and less volcanic activity, relatively less cloudiness, and higher greenhouse gas levels, these would all tend to increase ocean heat content.
The same models that are valid today would be valid, for example, through periods of much higher volcanic activity, different geographic arrangements and foliage (albedo), and different atmospheric composition.
One example of where relatively small changes to geological stress can have a big impact on volcanic activity is the Pavlov volcano in Alaska.
For example very powerful volcanic activity in the past are numerous and well known, also we evidence of huge impactors which have hit earth.
The catch is the degree of magnitude change and duration of time of the solar variations must reach certain LEVELS in order to overcome the inherent negative feedbacks in earth's climatic system, along with natural earth bound random climate events (examples enso, volcanic activity).
Alternative explanations are available, for example that climatic changes are responsible for changes in continental ice mass that affect volcanic activity.
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